NAME

sbsign - UEFI secure boot signing tool

SYNOPSIS

sbsign [options] --key <keyfile> --cert <certfile> <efi-boot-image>

DESCRIPTION

Sign an EFI boot image for use with secure boot.

OPTIONS

--engine <eng>

use the specified engine to load the key

--key <keyfile>

signing key (PEM-encoded RSA private key)

--cert <certfile>

certificate (x509 certificate)

--addcert <addcertfile> additional intermediate certificates in a file

--detached

write a detached signature, instead of a signed binary

--output <file>

write signed data to <file> (default <efi-boot-image>.signed, or <efi-boot-image>.pk7 for detached signatures)